I should crinkle you should crinkle he should crinkle we should crinkle you should crinkle they should crinkle
V-ing form
I should be crinkling you should be crinkling he should be crinkling we should be crinkling you should be crinkling they should be crinkling
Perfect
I should have crinkled you should have crinkled he should have crinkled we should have crinkled you should have crinkled they should have crinkled
V-ing perfect
I should have been crinkling you should have been crinkling he should have been crinkling we should have been crinkling you should have been crinkling they should have been crinkling
Negation
Simple form
I should not crinkle you should not crinkle he should not crinkle we should not crinkle you should not crinkle they should not crinkle
V-ing form
I should not be crinkling you should not be crinkling he should not be crinkling we should not be crinkling you should not be crinkling they should not be crinkling
Perfect
I should not have crinkled you should not have crinkled he should not have crinkled we should not have crinkled you should not have crinkled they should not have crinkled
V-ing perfect
I should not have been crinkling you should not have been crinkling he should not have been crinkling we should not have been crinkling you should not have been crinkling they should not have been crinkling
Interrogative form
Simple form
should I crinkle? should you crinkle? should he crinkle? should we crinkle? should you crinkle? should they crinkle?
V-ing form
should I be crinkling? should you be crinkling? should he be crinkling? should we be crinkling? should you be crinkling? should they be crinkling?
Perfect
should I have crinkled? should you have crinkled? should he have crinkled? should we have crinkled? should you have crinkled? should they have crinkled?
V-ing perfect
should I have been crinkling? should you have been crinkling? should he have been crinkling? should we have been crinkling? should you have been crinkling? should they have been crinkling?
Interro-negative form
Simple form
should I not crinkle? should you not crinkle? should he not crinkle? should we not crinkle? should you not crinkle? should they not crinkle?
V-ing form
should I not be crinkling? should you not be crinkling? should he not be crinkling? should we not be crinkling? should you not be crinkling? should they not be crinkling?
Perfect
should I not have crinkled? should you not have crinkled? should he not have crinkled? should we not have crinkled? should you not have crinkled? should they not have crinkled?
V-ing perfect
should I not have been crinkling? should you not have been crinkling? should he not have been crinkling? should we not have been crinkling? should you not have been crinkling? should they not have been crinkling?